Question Detail

Consider the following expression: v = f1 (x – rt) + f2 (x + rt) where f1 and f2 represent two traveling waves on a transmission line. In this case

Options

Option A: Both waves travel in the positive direction of x
Option B: Both waves travel in the negative direction of x
Option C: Wave f2 travels in the positive direction of x but wave f1 travels in the negative direction of x
Option D: Wave f1 travels in the positive direction of x but wave f2 travels in the negative direction of x

Correct Answer

<tr> <td style="width: 30px; text-align: center;"></td> <td class=""> Wave f<sub>1</sub> travels in the positive direction of x but wave f<sub>2</sub> travels in the negative direction of x </td> </tr>

Solution & Explanation

Answer: Option (d)

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Consider the following expression: v = f₁ (x – rt) + f₂ (x + rt) where f₁ and f₂ represent two traveling waves on a transmission line. In this case

Both waves travel in the positive direction of x

Both waves travel in the negative direction of x

Wave f₂ travels in the positive direction of x but wave f₁ travels in the negative direction of x

Wave f₁ travels in the positive direction of x but wave f₂ travels in the negative direction of x

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